DE69723041T2 - Berührungslose Dehnungsmessapparatur - Google Patents

Berührungslose Dehnungsmessapparatur Download PDF

Info

Publication number
DE69723041T2
DE69723041T2 DE1997623041 DE69723041T DE69723041T2 DE 69723041 T2 DE69723041 T2 DE 69723041T2 DE 1997623041 DE1997623041 DE 1997623041 DE 69723041 T DE69723041 T DE 69723041T DE 69723041 T2 DE69723041 T2 DE 69723041T2
Authority
DE
Germany
Prior art keywords
strain gauges
contact strain
contact
gauges
strain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE1997623041
Other languages
English (en)
Other versions
DE69723041D1 (de
Inventor
Masatoshi Futakawa
Kenji Kikuchi
Ryutaro Hino
Yoh Yanagida
Hiroshi Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Atomic Energy Agency
Original Assignee
Japan Atomic Energy Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Japan Atomic Energy Research Institute filed Critical Japan Atomic Energy Research Institute
Application granted granted Critical
Publication of DE69723041D1 publication Critical patent/DE69723041D1/de
Publication of DE69723041T2 publication Critical patent/DE69723041T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/241—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet by photoelastic stress analysis

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
DE1997623041 1996-12-27 1997-12-19 Berührungslose Dehnungsmessapparatur Expired - Fee Related DE69723041T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP35004496A JPH10185526A (ja) 1996-12-27 1996-12-27 非接触歪み計

Publications (2)

Publication Number Publication Date
DE69723041D1 DE69723041D1 (de) 2003-07-31
DE69723041T2 true DE69723041T2 (de) 2004-01-15

Family

ID=18407853

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997623041 Expired - Fee Related DE69723041T2 (de) 1996-12-27 1997-12-19 Berührungslose Dehnungsmessapparatur

Country Status (3)

Country Link
EP (1) EP0851210B1 (de)
JP (1) JPH10185526A (de)
DE (1) DE69723041T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0625387D0 (en) * 2006-12-21 2007-01-31 Renishaw Plc Object detector and method
JP6670284B2 (ja) * 2017-11-29 2020-03-18 株式会社小野測器 光干渉計
DE102018111921B4 (de) 2018-05-17 2023-11-23 Technische Universität Clausthal Kontaktloser optischer Dehnungsmesssensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3740227C2 (de) * 1987-11-27 1994-03-24 Schenck Ag Carl Verfahren und Vorrichtung zur Messung von Verformungen an Proben oder Prüfkörpern in Prüfmaschinen
US4967093A (en) * 1988-06-22 1990-10-30 Hamamatsu Photonics Kabushiki Kaisha Deformation measuring method and device using cross-correlation function between speckle patterns with reference data renewal
JPH074928A (ja) * 1993-06-15 1995-01-10 Shimadzu Corp 歪測定装置
JP2692599B2 (ja) * 1994-07-27 1997-12-17 株式会社島津製作所 レーザー非接触伸び計

Also Published As

Publication number Publication date
EP0851210A2 (de) 1998-07-01
DE69723041D1 (de) 2003-07-31
JPH10185526A (ja) 1998-07-14
EP0851210B1 (de) 2003-06-25
EP0851210A3 (de) 2001-01-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee